The lens is a clear and flexible structure located behind the iris. Its main function is to focus light onto the fovea, enabling us to see in sharp detail. It is supported by various ligaments and muscles, and can change its curvature to focus on objects at different distances.
Cataracts is the clouding of the lens leading to blurred or misty vision . There are many causes to cataract formation but the most common by far is ageing. In many inherited eye disorders, cataracts might be present from birth or develop at a younger age than people not affected by these disorders.